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Neuroscience > Intro to neuroscience > Flashcards

Intro to neuroscience Flashcards

1
Q

What is a sagittal section?

A

Slice down the midline of the brain separating it into left and right

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2
Q

What is a coronal section?

A

Slice the brain to separate the front from the back (anterior and posterior)

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3
Q

What is a horizontal section?

A

Slice the brain to separate top and bottom (superior and inferior)

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4
Q

What is a transverse section of the spinal cord?

A

Same as a horizontal section (width ways)

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5
Q

What is a longitudinal section of the spinal cord?

A

Same as sagittal section (length ways)

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6
Q

What are 3 main subdivisions of the brain?

A
  • Forebrain
  • Midbrain
  • Hindbrain
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7
Q

What are the 3 sections of the hindbrain?

A
  • Pons
  • Cerebellum
  • Medulla
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8
Q

What are the 3 sections of the forebrain?

A
  • Cerebral hemispheres (cortex)
  • Thalamus
  • Hypothalamus
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9
Q

What is the brainstem?

A

Functional unit containing the medulla, pons and midbrain

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10
Q

What are the divisions of the spinal chord? (4)

A
  • Cervical
  • Thoracic
  • Lumbar
  • Sacral
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11
Q

What enlargements are there in the spinal chord? (2)

A
  • Cervical enlargement

- Lumbosacral enlargement

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12
Q

What is the purpose of the cervical enlargement?

A

More motor neurons in this area which control the arms

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13
Q

What is the purpose of the lumbosacral enlargement?

A

More motor neurons in this area which control the lower limbs

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14
Q

What are the neurons in the thoracic region of the spinal cord involved in?

A

Autonomic control

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15
Q

What is found in grey matter?

A

Cell bodies of neurons and glia

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16
Q

What is found in white matter?

A

Myelinated axons

17
Q

Where is the grey matter in the brain?

A

Around the outside and some nuclei deeper into the brain

18
Q

What are nuclei?

A

Cluster of neuronal cell bodies in the CNS

19
Q

Where is the grey matter in the spinal cord?

A

In the middle, white matter around the outside

20
Q

What happens at the dorsal aspect of the spinal cord?

A

Sensory information comes in to be processed

21
Q

What happens at the ventral aspect of the spinal cord?

A

Motor information sent out

22
Q

What does DAVE mean?

A

Dorsal Afferent Ventral Efferent

23
Q

What is an afferent neuron?

A

Sensory neuron brining information from the periphery to the CNS

24
Q

What is an efferent neuron?

A

Motor neuron carrying information from the CNS to the periphery

25
Q

What is a ganglion

A

Cluster of neuronal cell bodies in the peripheral nervous system (PNS)

Neuroscience (18 decks)

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